关于spring boot 2.0的Servlet注解

com.imooc.firstspringdemo.weinxinjavax.servlet.ServletExceptionjavax.servlet.annotation.javax.servlet.http.HttpServletjavax.servlet.http.HttpServletRequestjavax.servlet.http.HttpServletResponsejava.io.IOException(= )
Servlet HttpServlet {
    (HttpServletRequest requestHttpServletResponse response) ServletExceptionIOException {

    }

    (HttpServletRequest requestHttpServletResponse response) ServletExceptionIOException {

    }
}

com.imooc.firstspringdemoorg.springframework.boot.SpringApplicationorg.springframework.boot.autoconfigure.org.springframework.boot.web.servlet.FirstSpringDemoApplication{
   (String[] args) {
      SpringApplication.(FirstSpringDemoApplication.args)}
}

以上是代码。启动报错。一直找不到问题

请求小马哥帮忙指导下